#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int My_Strlen(char arr[], int sz)
{
	int i = 0;
	int count = 0;
		while (arr[i] != '\0')
		{
			i++;
			count++;
		}
		return count;
}

int main()
{
	char arr[] = "abcdef";
	int sz = sizeof(arr) / sizeof(arr[0]);
	printf("%d", My_Strlen(arr,sz));
	return 0;
}